81434080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 288

約数和(自身を含む): 260620416

約数和(自身を除く): 179186336

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 47, 49, 52, 56, 65, 68, 70, 80, 85, 91, 94, 98, 104, 112, 119, 130, 136, 140, 160, 170, 182, 188, 196, 208, 221, 224, 235, 238, 245, 260, 272, 280, 329, 340, 364, 376, 392, 416, 442, 455, 470, 476, 490, 520, 544, 560, 595, 611, 637, 658, 680, 728, 752, 784, 799, 833, 884, 910, 940, 952, 980, 1040, 1105, 1120, 1190, 1222, 1274, 1316, 1360, 1456, 1504, 1547, 1568, 1598, 1645, 1666, 1768, 1820, 1880, 1904, 1960, 2080, 2210, 2303, 2380, 2444, 2548, 2632, 2720, 2912, 3055, 3094, 3185, 3196, 3290, 3332, 3536, 3640, 3760, 3808, 3920, 3995, 4165, 4277, 4420, 4606, 4760, 4888, 5096, 5264, 5593, 6110, 6188, 6370, 6392, 6580, 6664, 7072, 7280, 7520, 7735, 7840, 7990, 8330, 8554, 8840, 9212, 9520, 9776, 10192, 10387, 10528, 10829, 11186, 11515, 12220, 12376, 12740, 12784, 13160, 13328, 14560, 15470, 15980, 16660, 17108, 17680, 18424, 19040, 19552, 20384, 20774, 21385, 21658, 22372, 23030, 24440, 24752, 25480, 25568, 26320, 26656, 27965, 29939, 30940, 31960, 33320, 34216, 35360, 36848, 39151, 41548, 42770, 43316, 44744, 46060, 48880, 49504, 50960, 51935, 52640, 54145, 55930, 59878, 61880, 63920, 66640, 68432, 72709, 73696, 78302, 83096, 85540, 86632, 89488, 92120, 97760, 101920, 103870, 108290, 111860, 119756, 123760, 127840, 133280, 136864, 145418, 149695, 156604, 166192, 171080, 173264, 178976, 184240, 195755, 207740, 216580, 223720, 239512, 247520, 290836, 299390, 313208, 332384, 342160, 346528, 363545, 368480, 391510, 415480, 433160, 447440, 479024, 508963, 581672, 598780, 626416, 684320, 727090, 783020, 830960, 866320, 894880, 958048, 1017926, 1163344, 1197560, 1252832, 1454180, 1566040, 1661920, 1732640, 2035852, 2326688, 2395120, 2544815, 2908360, 3132080, 4071704, 4790240, 5089630, 5816720, 6264160, 8143408, 10179260, 11633440, 16286816, 20358520, 40717040, 81434080]

約数ペア:

[(1, 81434080), (2, 40717040), (4, 20358520), (5, 16286816), (7, 11633440), (8, 10179260), (10, 8143408), (13, 6264160), (14, 5816720), (16, 5089630), (17, 4790240), (20, 4071704), (26, 3132080), (28, 2908360), (32, 2544815), (34, 2395120), (35, 2326688), (40, 2035852), (47, 1732640), (49, 1661920), (52, 1566040), (56, 1454180), (65, 1252832), (68, 1197560), (70, 1163344), (80, 1017926), (85, 958048), (91, 894880), (94, 866320), (98, 830960), (104, 783020), (112, 727090), (119, 684320), (130, 626416), (136, 598780), (140, 581672), (160, 508963), (170, 479024), (182, 447440), (188, 433160), (196, 415480), (208, 391510), (221, 368480), (224, 363545), (235, 346528), (238, 342160), (245, 332384), (260, 313208), (272, 299390), (280, 290836), (329, 247520), (340, 239512), (364, 223720), (376, 216580), (392, 207740), (416, 195755), (442, 184240), (455, 178976), (470, 173264), (476, 171080), (490, 166192), (520, 156604), (544, 149695), (560, 145418), (595, 136864), (611, 133280), (637, 127840), (658, 123760), (680, 119756), (728, 111860), (752, 108290), (784, 103870), (799, 101920), (833, 97760), (884, 92120), (910, 89488), (940, 86632), (952, 85540), (980, 83096), (1040, 78302), (1105, 73696), (1120, 72709), (1190, 68432), (1222, 66640), (1274, 63920), (1316, 61880), (1360, 59878), (1456, 55930), (1504, 54145), (1547, 52640), (1568, 51935), (1598, 50960), (1645, 49504), (1666, 48880), (1768, 46060), (1820, 44744), (1880, 43316), (1904, 42770), (1960, 41548), (2080, 39151), (2210, 36848), (2303, 35360), (2380, 34216), (2444, 33320), (2548, 31960), (2632, 30940), (2720, 29939), (2912, 27965), (3055, 26656), (3094, 26320), (3185, 25568), (3196, 25480), (3290, 24752), (3332, 24440), (3536, 23030), (3640, 22372), (3760, 21658), (3808, 21385), (3920, 20774), (3995, 20384), (4165, 19552), (4277, 19040), (4420, 18424), (4606, 17680), (4760, 17108), (4888, 16660), (5096, 15980), (5264, 15470), (5593, 14560), (6110, 13328), (6188, 13160), (6370, 12784), (6392, 12740), (6580, 12376), (6664, 12220), (7072, 11515), (7280, 11186), (7520, 10829), (7735, 10528), (7840, 10387), (7990, 10192), (8330, 9776), (8554, 9520), (8840, 9212)]